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Finding the Fourth Proportional to 6,579.80, 9,858.74 and 4,627.89

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Solution

The fourth proportional to 6,579.80, 9,858.74 and 4,627.89 is: 6,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.80 : 9,858.74 = 4,627.89 : x
  2. Step 2: Convert to fraction form
    6,579.80/9,858.74 = 4,627.89/x
  3. Step 3: Cross multiply
    6,579.80x = 9,858.74 × 4,627.89
  4. Step 4: Simplify right side
    6,579.80x = 45,625,141.12
  5. Step 5: Solve for x
    x = 45,625,141.12/6,579.80
  6. Step 6: Final answer
    x = 6,934.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.